condition mean min max 4 h after light 0.08316425 0.0817396 0.0845889 8 h after light 2.68592 2.12255 3.24929 12 h after light 6.319039999999999 5.85828 6.7798 4 h after dark 2.94028 2.64564 3.27177 8 h after dark 0.39576333333333336 0.261618 0.620483 12 h after dark 0.1161518 0.0 0.258745